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. 98, N
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. 2, 2015
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to the sum of analyte responses in all tested fractions vs the
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recoveries in routine practice. This would result in the optimum
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G. GC/MS Analysis
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GC conditions.
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2014.08G
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conditions that were used by the collaborative study participants.
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losses of the volatile PAHs, especially naphthalene. The
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evaluated for the anthracene peak), and (
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Table 2014.08E. Analyte concentrations in the mixed
stock standard solution
Analyte
Concentration, μg/mL
Anthracene
10
Benz[
a
]anthracene
10
Benzo[
a
]pyrene
10
Benzo[
b
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10
Benzo[
g,h,i
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10
Benzo[
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10
Chrysene
25
Dibenz[
a,h
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10
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25
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10
Indeno[1,2,3-
cd
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10
Naphthalene
50
Phenanthrene
25
Pyrene
25
1-Methylnaphthalene
25
2,6-Dimethylnaphthalene
25
1-Methylphenanthrene
25
1,7-Dimethylphenanthrene
10
3-Methylchrysene
25
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calibration standard solutions
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level
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stock standard
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Final
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1
—
—
50
50
1000
2
—
—
100
50
1000
3
—
—
200
50
1000
4
—
—
500
50
1000
5
—
100
—
50
1000
6
—
200
—
50
1000
7
—
500
—
50
1000
8
100
—
—
50
1000
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Optimum elution volume
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silica gel SPE cartridge and determination of the optimum elution
volume.